Volute casing for a pump



FIG. 1 is a perspective view of a first embodiment of a volute casing for a pump in accordance with our new design;

FIG. 2 is a first side elevational view of the volute casing illustrated in FIG. 1;

FIG. 3 is a second side elevational view of the volute casing illustrated in FIG. 1;

FIG. 4 is a first end elevational view of the volute casing illustrated in FIG. 1;

FIG. 5 is a second end elevational view of the volute casing illustrated in FIG. 1;

FIG. 6 is a bottom plan view of the volute casing illustrated in FIG. 1;

FIG. 7 is a top plan view of the volute casing illustrated in FIG. 1;

FIG. 8 is a perspective view of a second embodiment of a volute casing for a pump in accordance with our new design;

FIG. 9 is a first side elevational view of the volute casing illustrated in FIG. 8;

FIG. 10 is a second side elevational view of the volute casing illustrated in FIG. 8;

FIG. 11 is a first end elevational view of the volute casing illustrated in FIG. 8;

FIG. 12 is a second end elevational view of the volute casing illustrated in FIG. 8;

FIG. 13 is a bottom plan view of the volute casing illustrated in FIG. 8; and,

FIG. 14 is a top plan view of the volute casing illustrated in FIG. 8. 

CLAIM The ornamental design for a volute casing for a pump, as shown and described. 